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43. Solving a chemistry problem
Uploaded:
14.02.2023
Content: 2.rar 66,94 kB
Content: 2.rar 66,94 kB
Product description
2. Using experimental data on the optical density of polystyrene latex at different wavelengths, calculate the average radius of white sol particles:
Dλ 0.195 0.127 0.099 0.048
λ*109, m 415 485 527 685
The Heller calibration curve for the dispersity index (n) depending on the latex particle diameter (d) is plotted according to the following data:
d*109, m 77 88 95 106 111 119 132 139 143 158
n 3.82 3.64 3.54 3.30 3.23 3.04 2.82 2.72 2.66 2.45
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